How Would You Fix Damaged Plywood On A Flat Roof

Osb and plywood come in thicknesses ranging from 5 16 to 3 4 inch and the thickness needed for a particular roof depends on several factors including rafter spacing expected load and roof design.

How would you fix damaged plywood on a flat roof.

Even if you put the screws through the lower layer of shingles you could great the opportunity for a leak. Your asphalt roof may see plywood damage in the case of extreme weather such as torrential rain and wind or unexpected snowfall if shingles get ripped away the plywood is then exposed to the elements and may need replacing. Roof repairs are one of our specialties. Water damage is fairly common in kitchens.

The only way to properly fix this is during the full replacement of the roof. Lay felt paper onto the roof overlapping the existing paper to get good coverage. Lets look at different issues that may arise when you install a roof over existing shingles and or damaged plywood. After many years in the field repairing old damaged or improperly installed roofs we have gained the knowledge needed to provide you with a quality roof repair that will typically outlast the life of the remainder of your existing roof.

Cover the seams between the old and new decking with bitumen tape. However if you put the screws through the shingles then you will have the perfect storm for leaks all over your roof. Unless the roof is leaking the line you see on the roof is an aesthetic problem but the cupped plywood is putting an added strain on the shingles either side of the visible line. This meets the code but isn t good enough in my book.

Staple it to the roof decking or nail it with plastic capped roofing nails. In this video i show how to replace rotten plywood on your roof without breaking your back. 1 roof will not be properly nailed. How to repair water damage to plywood on a kitchen floor.

You may also have experienced a leak and realized that there s hidden damage. A 1 1 2 or 1 3 4 long home depot roofing nails hold much. I am using a 7 16 osb sheathing that i got from lowe s. Most contractors use 1 1 4 long nails on new construction projects.